mvcc

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Database Content Versioning

I am interested in keeping a running history of every change which has happened on some tables in my database, thus being able to reconstruct historical states of the database for a开发者_如何学Cnalys[详细]

2023-03-13 03:07 分类：问答
a question about oracle undo segment binding

I\'m no DBA, I just want to learn about Oracle\'s Multi-Version Concurrency model. When launching a DML operation, the first step in the MVCC protocol is to开发者_运维技巧 bind a undo segment.The qu[详细]

2023-03-10 14:23 分类：问答
Read uncommitted mvcc database

say I want to do the following transactions in read committed mode (in postgres). T1: r(A) -> w(A) T2: r(A) -> w(A)[详细]

2023-03-07 13:45 分类：问答
Is it possible to implement Multi-Version Concurrency Control (MVCC) on top of MongoDB?

MongoDB is to me a great database. However there are cases where I really need atomic multi-document transactions. For example to transfer things (like money or reputation) between accounts and this n[详细]

2023-03-05 18:48 分类：问答
How do I implement MVCC?

I have located many resources on the web giving general overviews of MVCC (multi-version concurrency control) concepts, but no detailed technical references on exactly how it should work or be impleme[详细]

2023-02-14 08:45 分类：问答
Adding check boxes to each row on MVCcontrib Grid

How can I add a che开发者_JAVA百科ckbox to each row of a MVCcontrib grid. then when the form is posted find out which records were selected? I Am not finding much when searching for this.[详细]

2023-01-03 20:08 分类：问答
the MVCC effect on migration from oracle to db2

I have a simple (actually simplified :) ) scenario that is possibly the cause for the headache I\'ve been having for the last few days...[详细]

2022-12-30 20:26 分类：问答
Any client libraries that implement MVCC over Amazon SimpleDB?

Now that Amazon\'s SimpleDB implements consistent reads and conditional update/delete it is possible to implement cross-domain transactions using MVCC.[详细]

2022-12-22 22:55 分类：问答